DE102019104259A1 - SENSOR PACKAGE AND METHOD - Google Patents
SENSOR PACKAGE AND METHOD Download PDFInfo
- Publication number
- DE102019104259A1 DE102019104259A1 DE102019104259.3A DE102019104259A DE102019104259A1 DE 102019104259 A1 DE102019104259 A1 DE 102019104259A1 DE 102019104259 A DE102019104259 A DE 102019104259A DE 102019104259 A1 DE102019104259 A1 DE 102019104259A1
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- Prior art keywords
- sensor
- sensor die
- opening
- dielectric layer
- die
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- H01L2224/82001—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected by forming build-up interconnects at chip-level, e.g. for high density interconnects [HDI] involving a temporary auxiliary member not forming part of the bonding apparatus
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
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- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- H01L2924/181—Encapsulation
- H01L2924/1815—Shape
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- H01L2924/18162—Exposing the passive side of the semiconductor or solid-state body of a chip with build-up interconnect
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Abstract
Bei einer Ausführungsform weist eine Vorrichtung Folgendes auf: einen Sensor-Die mit einer ersten Fläche und einer zweiten Fläche, die der ersten Fläche gegenüberliegt, wobei der Sensor-Die einen Eingangs-/Ausgangsbereich und einen ersten Sensorbereich auf der ersten Fläche aufweist; ein Verkapselungsmaterial, das den Sensor-Die zumindest seitlich verkapselt; eine leitfähige Durchkontaktierung, die durch das Verkapselungsmaterial verläuft; und eine vorderseitige Umverteilungsstruktur auf der ersten Fläche des Sensor-Dies, wobei die vorderseitige Umverteilungsstruktur mit der leitfähigen Durchkontaktierung und dem Sensor-Die verbunden ist, den Eingangs-/Ausgangsbereich des Sensor-Dies bedeckt und eine erste Öffnung aufweist, die den ersten Sensorbereich des Sensorbereichs freilegt.In one embodiment, an apparatus includes: a sensor die having a first surface and a second surface opposite the first surface, the sensor die having an input / output area and a first sensor area on the first surface; an encapsulation material that encapsulates the sensor die at least laterally; a conductive via that passes through the encapsulation material; and a front redistribution structure on the first surface of the sensor die, the front redistribution structure connected to the conductive via and the sensor die, covering the input / output area of the sensor die and having a first opening that the first sensor area of the Sensor area exposed.
Description
Prioritätsanspruch und QuerverweisPriority claim and cross-reference
Die vorliegende Anmeldung beansprucht die Priorität der am 27. September 2018 eingereichten vorläufigen
Hintergrund der ErfindungBackground of the Invention
Die Halbleiterindustrie hat auf Grund von ständigen Verbesserungen bei der Integrationsdichte verschiedener elektronischer Komponenten (z. B. Transistoren, Dioden, Widerstände, Kondensatoren usw.) ein rasches Wachstum erfahren. Zum größten Teil ist diese Verbesserung der Integrationsdichte auf mehrmalige Verringerungen der minimalen Strukturgröße zurückzuführen, wodurch mehr Komponenten auf einer gegebenen Fläche integriert werden können. Da die Forderung nach einer Verkleinerung von elektronischen Bauelementen stärker geworden ist, ist ein Bedarf an schnelleren und kreativeren Packaging-Verfahren für Halbleiter-Dies entstanden. Ein Beispiel für diese Packaging-Systeme ist die InFO-Technologie (InFo: integriertes Fan-out).The semiconductor industry has experienced rapid growth due to constant improvements in the integration density of various electronic components (e.g. transistors, diodes, resistors, capacitors, etc.). For the most part, this improvement in integration density is due to repeated reductions in the minimum feature size, which allows more components to be integrated in a given area. As the demand for downsizing electronic components has grown, there has been a need for faster and more creative packaging processes for semiconductor dies. An example of these packaging systems is the InFO technology (InFo: integrated fan-out).
FigurenlisteFigure list
Aspekte der vorliegenden Erfindung lassen sich am besten anhand der nachstehenden detaillierten Beschreibung in Verbindung mit den beigefügten Zeichnungen verstehen. Es ist zu beachten, dass entsprechend der üblichen Praxis in der Branche verschiedene Elemente nicht maßstabsgetreu gezeichnet sind. Vielmehr können der Übersichtlichkeit der Erörterung halber die Abmessungen der verschiedenen Elemente beliebig vergrößert oder verkleinert sein.
- Die
1 ,2 ,3 ,4 ,5A ,5B ,5C ,5D ,6 ,7 ,8 ,9 ,10 und11 zeigen Schnittansichten von Zwischenstufen bei einem Prozess zur Herstellung eines Sensor-Packages, gemäß einigen Ausführungsformen. - Die
12 ,13A ,13B ,13C ,13D ,14A ,14B ,14C und14D zeigen ein Sensor-Bauelement, das ein Sensor-Package implementiert, gemäß einigen Ausführungsformen. - Die
15 und16 zeigen Schnittansichten von Zwischenstufen bei einem Prozess zur Herstellung eines Sensor-Packages, gemäß einigen weiteren Ausführungsformen. -
17 zeigt ein Sensor-Bauelement, das ein Sensor-Package implementiert, gemäß einigen weiteren Ausführungsformen. - Die
18 und19 zeigen Schnittansichten von Zwischenstufen bei einem Prozess zur Herstellung eines Sensor-Packages, gemäß einigen weiteren Ausführungsformen. -
20 zeigt ein Sensor-Bauelement, das ein Sensor-Package implementiert, gemäß einigen weiteren Ausführungsformen. - Die
21 ,22 und23 zeigen ein Sensor-Bauelement, das ein Sensor-Package implementiert, gemäß einigen weiteren Ausführungsformen. - Die
24A ,24B und24C zeigen Package-Komponenten, gemäß einigen Ausführungsformen.
- The
1 ,2nd ,3rd ,4th ,5A ,5B ,5C ,5D ,6 ,7 ,8th ,9 ,10th and11 FIG. 14 shows sectional views of intermediate stages in a process for producing a sensor package, according to some embodiments. - The
12th ,13A ,13B ,13C ,13D ,14A ,14B ,14C and14D 10 show a sensor device that implements a sensor package, according to some embodiments. - The
15 and16 FIG. 14 show sectional views of intermediate stages in a process for producing a sensor package, according to some further embodiments. -
17th 10 shows a sensor device that implements a sensor package, according to some other embodiments. - The
18th and19th FIG. 14 show sectional views of intermediate stages in a process for producing a sensor package, according to some further embodiments. -
20th 10 shows a sensor device that implements a sensor package, according to some other embodiments. - The
21 ,22 and23 14 show a sensor device that implements a sensor package, according to some other embodiments. - The
24A ,24B and24C show package components, according to some embodiments.
Detaillierte BeschreibungDetailed description
Die nachstehende Beschreibung liefert viele verschiedene Ausführungsformen oder Beispiele zum Implementieren verschiedener Merkmale des bereitgestellten Gegenstands. Nachstehend werden spezielle Beispiele für Komponenten und Anordnungen beschrieben, um die vorliegende Erfindung zu vereinfachen. Diese sind natürlich lediglich Beispiele und sollen nicht beschränkend sein. Zum Beispiel kann die Herstellung eines ersten Elements über oder auf einem zweiten Element in der nachstehenden Beschreibung Ausführungsformen umfassen, bei denen das erste und das zweite Element in direktem Kontakt hergestellt werden, und sie kann auch Ausführungsformen umfassen, bei denen zusätzliche Elemente zwischen dem ersten und dem zweiten Element so hergestellt werden können, dass das erste und das zweite Element nicht in direktem Kontakt sind. Darüber hinaus können in der vorliegenden Erfindung Bezugszahlen und/oder -buchstaben in den verschiedenen Beispielen wiederholt werden. Diese Wiederholung dient der Einfachheit und Übersichtlichkeit und schreibt an sich keine Beziehung zwischen den verschiedenen erörterten Ausführungsformen und/oder Konfigurationen vor.The following description provides many different embodiments or examples for implementing various features of the provided article. Specific examples of components and arrangements are described below to simplify the present invention. These are of course only examples and are not intended to be limiting. For example, the manufacture of a first element above or on a second element in the description below may include embodiments in which the first and second elements are made in direct contact, and may also include embodiments in which additional elements are between the first and the second element can be made so that the first and second elements are not in direct contact. In addition, reference numbers and / or letters can be repeated in the various examples in the present invention. This repetition is for simplicity and clarity, and by itself does not dictate a relationship between the various embodiments and / or configurations discussed.
Darüber hinaus können hier räumlich relative Begriffe, wie etwa „darunter befindlich“, „unter“, „untere(r)“/„unteres“, „darüber befindlich“, „obere(r)“/„oberes“ und dergleichen, zur einfachen Beschreibung der Beziehung eines Elements oder einer Struktur zu einem oder mehreren anderen Elementen oder Strukturen verwendet werden, die in den Figuren dargestellt sind. Die räumlich relativen Begriffe sollen zusätzlich zu der in den Figuren dargestellten Orientierung andere Orientierungen der in Gebrauch oder in Betrieb befindlichen Vorrichtung umfassen. Die Vorrichtung kann anders ausgerichtet werden (um 90 Grad gedreht oder in einer anderen Orientierung), und die räumlich relativen Deskriptoren, die hier verwendet werden, können ebenso entsprechend interpretiert werden.In addition, spatially relative terms such as "below", "below", "lower (r)" / "lower", "above", "upper" / "upper" and the like can be used for simple purposes Description of the relationship of an element or structure to one or more other elements or structures shown in the figures. In addition to the orientation shown in the figures, the spatially relative terms are intended to include other orientations of the device in use or in operation. The device can be oriented differently (rotated 90 degrees or in a different orientation), and the spatially relative descriptors used here can also be interpreted accordingly.
Bei einigen Ausführungsformen wird ein Sensor-Die in einem InFO-Package verkappt. Der Sensor-Die kann Sensorbereiche auf aktiven Flächen und/oder Rückseiten des Sensor-Dies aufweisen. Das InFO-Package kann Öffnungen aufweisen, die die Sensorbereiche des Sensor-Dies freilegen, während andere Bereiche, z. B. Eingangs-/Ausgangsbereiche (E/A-Bereiche), des Sensor-Dies geschützt bleiben können. Im Vergleich zu anderen (z. B. drahtgebondeten) Packaging-Systemen kann durch Verkappen eines Sensor-Dies in einem InFO-Package der Formfaktor des endgültigen Sensor-Packages kleiner sein, die mechanische Zuverlässigkeit des verkappten Sensors kann steigen, und die Produktionsausbeute kann höher sein. In some embodiments, a sensor die is capped in an InFO package. The sensor die can have sensor areas on active surfaces and / or rear sides of the sensor die. The InFO package can have openings that expose the sensor areas of the sensor die, while other areas, e.g. B. input / output areas (I / O areas), the sensor dies can remain protected. Compared to other (e.g. wire-bonded) packaging systems, by capping a sensor die in an InFO package, the form factor of the final sensor package can be smaller, the mechanical reliability of the capped sensor can increase, and the production yield can be higher be.
Die
In
In
Auf der Ablöseschicht
Auf der dielektrischen Schicht
Es dürfte wohlverstanden sein, dass die rückseitige Umverteilungsstruktur
Bei einigen Ausführungsformen weist die rückseitige Umverteilungsstruktur
Außerdem werden leitfähige Durchkontaktierungen
In
Bevor der integrierte Schaltkreis-Die
Der integrierte Schaltkreis-Die
Bei einigen Ausführungsformen ist der integrierte Schaltkreis-Die
Der Klebstoff
Es ist zwar gezeigt, dass nur ein integrierter Schaltkreis-Die
In
Wenn der integrierte Schaltkreis-Die
Die
Die
Die vorderseitige Umverteilungsstruktur
In
In
Zum Herstellen der Metallisierungsstruktur
In
Bei der dargestellten Ausführungsform wird die Öffnung
In
In
In
Das Sensor-Package
In
Das Package-Substrat
Das Package-Substrat
Bei einigen Ausführungsformen werden die leitfähigen Verbindungselemente
Die leitfähigen Verbindungselemente
Bei einigen Ausführungsformen kann ein Rückstand des Klebstoffs
In
Bei einigen Ausführungsformen bleibt kein Rückstand des Klebstoffs
In
Die
In
In
Die
In
In
Die
Die
Ausführungsformen können Vorzüge erzielen. Durch Verkappen eines Sensor-Dies (z. B. des integrierten Schaltkreis-Dies
Bei einer Ausführungsform weist eine Vorrichtung Folgendes auf: einen Sensor-Die mit einer ersten Fläche und einer zweiten Fläche, die der ersten Fläche gegenüberliegt, wobei der Sensor-Die einen Eingangs-/Ausgangsbereich und einen ersten Sensorbereich auf der ersten Fläche aufweist; ein Verkapselungsmaterial, das den Sensor-Die zumindest seitlich verkapselt; eine leitfähige Durchkontaktierung, die durch das Verkapselungsmaterial verläuft; und eine vorderseitige Umverteilungsstruktur auf der ersten Fläche des Sensor-Dies, wobei die vorderseitige Umverteilungsstruktur mit der leitfähigen Durchkontaktierung und dem Sensor-Die verbunden ist, den Eingangs-/Ausgangsbereich des Sensor-Dies bedeckt und eine erste Öffnung aufweist, die den ersten Sensorbereich des Sensor-Dies freilegt.In one embodiment, an apparatus includes: a sensor die having a first surface and a second surface opposite the first surface, the sensor die having an input / output area and a first sensor area on the first surface; an encapsulation material that encapsulates the sensor die at least laterally; a conductive via that passes through the encapsulation material; and a front redistribution structure on the first surface of the sensor die, the front redistribution structure connected to the conductive via and the sensor die, covering the input / output area of the sensor die, and having a first opening that defines the first sensor area of the Sensor-This exposes.
Bei einigen Ausführungsformen weist die Vorrichtung weiterhin eine rückseitige Umverteilungsstruktur auf der zweiten Fläche des Sensor-Dies auf, wobei die rückseitige Umverteilungsstruktur mit der leitfähigen Durchkontaktierung verbunden ist. Bei einigen Ausführungsformen der Vorrichtung weist die rückseitige Umverteilungsstruktur Folgendes auf: eine dielektrische Schicht; und eine Metallisierungsstruktur, die zwischen der dielektrischen Schicht und dem Verkapselungsmaterial angeordnet ist, wobei die Metallisierungsstruktur mit der leitfähigen Durchkontaktierung elektrisch verbunden ist. Bei einigen Ausführungsformen der Vorrichtung weist der Sensor-Die einen zweiten Sensorbereich auf der zweiten Fläche auf, wobei die rückseitige Umverteilungsstruktur eine zweite Öffnung aufweist, die den zweiten Sensorbereich des Sensor-Dies freilegt. Bei einigen Ausführungsformen der Vorrichtung reicht die zweite Öffnung teilweise in das Verkapselungsmaterial hinein und legt Seitenwände eines Teils des Sensor-Dies frei. Bei einigen Ausführungsformen weist die Vorrichtung weiterhin einen Klebstoff auf, der einen Teil des Sensor-Dies umschließt, wobei die zweite Öffnung den Klebstoff freilegt. Bei einigen Ausführungsformen der Vorrichtung weist der Sensor-Die Folgendes auf: ein Halbleitersubstrat; Pads auf dem Halbleitersubstrat, wobei die Pads mit der vorderseitigen Umverteilungsstruktur verbunden sind; und eine Passivierungsschicht auf den Pads und dem Halbleitersubstrat, wobei sich eine Oberseite der Passivierungsschicht über einer Oberseite des Verkapselungsmaterials befindet. Bei einigen Ausführungsformen der Vorrichtung weist der Sensor-Die Folgendes auf: ein Halbleitersubstrat; Pads auf dem Halbleitersubstrat, wobei die Pads mit der vorderseitigen Umverteilungsstruktur verbunden sind; und eine Passivierungsschicht auf den Pads und dem Halbleitersubstrat, wobei sich eine Oberseite der Passivierungsschicht unter einer Oberseite des Verkapselungsmaterials befindet. Bei einigen Ausführungsformen der Vorrichtung weist der Sensor-Die Folgendes auf: ein Halbleitersubstrat; Pads auf dem Halbleitersubstrat, wobei die Pads mit der vorderseitigen Umverteilungsstruktur verbunden sind; eine Passivierungsschicht auf den Pads und dem Halbleitersubstrat; und eine dielektrische Schicht über der Passivierungsschicht, wobei die dielektrische Schicht eine zweite Öffnung aufweist, die den ersten Sensorbereich des Sensor-Dies freilegt, wobei eine Breite der zweiten Öffnung kleiner als eine Breite der ersten Öffnung ist. Bei einigen Ausführungsformen der Vorrichtung haben der erste Sensorbereich des Sensor-Dies und die erste Öffnung der vorderseitigen Umverteilungsstruktur die gleiche Breite.In some embodiments, the device further has a rear redistribution structure on the second surface of the sensor die, wherein the rear redistribution structure is connected to the conductive via. In some embodiments of the device, the rear redistribution structure includes: a dielectric layer; and a metallization structure arranged between the dielectric layer and the encapsulation material, the metallization structure being electrically connected to the conductive via. In some embodiments of the device, the sensor die has a second sensor area on the second surface, the rear-side redistribution structure having a second opening which exposes the second sensor area of the sensor die. In some embodiments of the device, the second opening partially extends into the encapsulation material and exposes side walls of part of the sensor die. In some embodiments, the device further includes an adhesive that encloses a portion of the sensor die, the second opening exposing the adhesive. In some embodiments of the device, the sensor die comprises: a semiconductor substrate; Pads on the semiconductor substrate, the pads connected to the front redistribution structure; and a passivation layer on the pads and the semiconductor substrate, wherein an upper side of the passivation layer is located above an upper side of the encapsulation material. In some embodiments of the device, the sensor die comprises: a semiconductor substrate; Pads on the semiconductor substrate, the pads connected to the front redistribution structure; and a passivation layer on the pads and the semiconductor substrate, wherein an upper side of the passivation layer is under a upper side of the encapsulation material. In some embodiments of the device, the sensor die comprises: a semiconductor substrate; Pads on the semiconductor substrate, the pads connected to the front redistribution structure; a passivation layer on the pads and the semiconductor substrate; and a dielectric layer over the passivation layer, the dielectric layer having a second opening exposing the first sensor region of the sensor die, a width of the second opening being less than a width of the first opening. In some embodiments of the device, the first sensor region of the sensor die and the first opening of the front-side redistribution structure have the same width.
Bei einer Ausführungsform weist ein Verfahren die folgenden Schritte auf: Platzieren eines Sensor-Dies benachbart zu einer leitfähigen Durchkontaktierung, wobei der Sensor-Die einen Eingangs-/Ausgangsbereich und einen ersten Sensorbereich aufweist; Verkapseln des Sensor-Dies und der leitfähigen Durchkontaktierung mit einem Verkapselungsmaterial; Herstellen einer ersten dielektrischen Schicht auf dem Verkapselungsmaterial, dem Sensor-Die und der leitfähigen Durchkontaktierung; Strukturieren der ersten dielektrischen Schicht mit einer ersten Öffnung, die die leitfähige Durchkontaktierung freilegt, mit einer zweiten Öffnung, die den Eingangs-/Ausgangsbereich des Sensor-Dies freilegt, und mit einer dritten Öffnung, die den ersten Sensorbereich des Sensor-Dies freilegt; Herstellen einer ersten Metallisierungsstruktur, die durch die erste Öffnung und die zweite Öffnung der ersten dielektrischen Schicht verläuft, wobei sich die erste Metallisierungsstruktur nicht in der dritten Öffnung der ersten dielektrischen Schicht befindet; Herstellen einer zweiten dielektrischen Schicht auf der ersten Metallisierungsstruktur und der ersten dielektrischen Schicht; und Verlängern der dritten Öffnung durch die zweite dielektrische Schicht, um den ersten Sensorbereich des Sensor-Dies freizulegen.In one embodiment, a method comprises the following steps: placing a sensor die adjacent to a conductive via, the sensor die having an input / output area and a first sensor area; Encapsulating the sensor die and the conductive via with an encapsulation material; Forming a first dielectric layer on the encapsulation material, the sensor die and the conductive via; Patterning the first dielectric layer with a first opening exposing the conductive via, a second opening exposing the input / output region of the sensor die, and a third opening exposing the first sensor region of the sensor die; Fabricating a first metallization structure that extends through the first opening and the second opening of the first dielectric layer, the first metallization structure not being in the third opening of the first dielectric layer; Fabricating a second dielectric layer on the first metallization structure and the first dielectric layer; and extending the third opening through the second dielectric layer to expose the first sensor region of the sensor die.
Bei einigen Ausführungsformen des Verfahrens weist der Sensor-Die ein Halbleitersubstrat und Pads auf dem Halbleitersubstrat auf, wobei das Verkapseln des Sensor-Dies Folgendes umfasst: Herstellen des Verkapselungsmaterials durch Spritzpressen so, dass sich eine Aussparung in dem Verkapselungsmaterial zwischen dem Halbleitersubstrat und der leitfähigen Durchkontaktierung befindet. Bei einigen Ausführungsformen des Verfahrens weist der Sensor-Die ein Halbleitersubstrat und Pads auf dem Halbleitersubstrat auf, wobei das Verkapseln des Sensor-Dies Folgendes umfasst: Herstellen des Verkapselungsmaterials durch Formpressen; und Planarisieren des Verkapselungsmaterials so, dass Oberseiten des Verkapselungsmaterials und der leitfähigen Durchkontaktierung über einer Oberseite des Halbleitersubstrats verlaufen. Bei einigen Ausführungsformen des Verfahrens weist der Sensor-Die eine Opferschicht über dem Halbleitersubstrat auf, und das Verfahren umfasst weiterhin Folgendes: Entfernen der Opferschicht, um eine vierte Öffnung zu erzeugen, die den ersten Sensorbereich des Sensor-Dies freilegt. Bei einigen Ausführungsformen umfasst das Verfahren weiterhin Folgendes: Plattieren der leitfähigen Durchkontaktierung auf einer dritten dielektrischen Schicht; und Herstellen einer zweiten Metallisierungsstruktur auf der dritten dielektrischen Schicht. Bei einigen Ausführungsformen des Verfahrens umfasst das Platzieren des Sensor-Dies das Ankleben des Sensor-Dies an die dritte dielektrische Schicht mit einem Klebstoff. Bei einigen Ausführungsformen umfasst das Verfahren weiterhin das Erzeugen einer vierten Öffnung in der dritten dielektrischen Schicht. Bei einigen Ausführungsformen des Verfahrens umfasst das Platzieren des Sensor-Dies das Ankleben des Sensor-Dies in der vierten Öffnung mit einem Klebstoff, wobei das Verfahren weiterhin Folgendes umfasst: nach dem Verkapseln des Sensor-Dies Entfernen zumindest eines Teils des Klebstoffs, um einen zweiten Sensorbereich auf der Rückseite des Sensor-Dies freizulegen.In some embodiments of the method, the sensor die has a semiconductor substrate and pads on the semiconductor substrate, the encapsulation of the sensor die comprising the following: producing the encapsulation material by injection molding such that there is a recess in the Encapsulation material between the semiconductor substrate and the conductive via is located. In some embodiments of the method, the sensor die has a semiconductor substrate and pads on the semiconductor substrate, the encapsulation of the sensor die comprising: producing the encapsulation material by compression molding; and planarizing the encapsulation material such that top sides of the encapsulation material and the conductive via run over a top side of the semiconductor substrate. In some embodiments of the method, the sensor die has a sacrificial layer over the semiconductor substrate, and the method further includes: removing the sacrificial layer to create a fourth opening that exposes the first sensor area of the sensor die. In some embodiments, the method further includes: plating the conductive via on a third dielectric layer; and fabricating a second metallization structure on the third dielectric layer. In some embodiments of the method, placing the sensor die comprises adhering the sensor die to the third dielectric layer with an adhesive. In some embodiments, the method further includes creating a fourth opening in the third dielectric layer. In some embodiments of the method, placing the sensor die involves gluing the sensor die in the fourth opening with an adhesive, the method further comprising: after encapsulating the sensor die, removing at least a portion of the adhesive by a second Expose the sensor area on the back of the sensor dies.
Bei einer Ausführungsform weist ein Verfahren die folgenden Schritte auf: Herstellen einer rückseitigen Umverteilungsstruktur, wobei die rückseitige Umverteilungsstruktur eine erste Öffnung aufweist; Ankleben eines Sensor-Dies in der ersten Öffnung der rückseitigen Umverteilungsstruktur mit einem Klebstoff, wobei der Sensor-Die eine erste Fläche und eine zweite Fläche hat, die der ersten Fläche gegenüberliegt; Verkapseln des Sensor-Dies mit einem Verkapselungsmaterial; Herstellen einer vorderseitigen Umverteilungsstruktur über dem Verkapselungsmaterial und dem Sensor-Die, wobei die vorderseitige Umverteilungsstruktur eine zweite Öffnung aufweist, die die zweite Fläche des Sensor-Dies freilegt; und nach dem Herstellen der vorderseitigen Umverteilungsstruktur Entfernen des Klebstoffs, um die erste Fläche des Sensor-Dies freizulegen.In one embodiment, a method comprises the following steps: producing a rear redistribution structure, the rear redistribution structure having a first opening; Gluing a sensor die in the first opening of the rear redistribution structure with an adhesive, the sensor die having a first surface and a second surface that is opposite the first surface; Encapsulating the sensor die with an encapsulating material; Fabricating a front redistribution structure over the encapsulation material and the sensor die, the front redistribution structure having a second opening exposing the second surface of the sensor die; and after fabricating the front redistribution structure, removing the adhesive to expose the first surface of the sensor die.
Bei einigen Ausführungsformen umfasst das Verfahren weiterhin Folgendes: Befestigen der rückseitigen Umverteilungsstruktur an einem Package-Substrat mit leitfähigen Verbindungselementen, wobei die leitfähigen Verbindungselemente durch eine dielektrische Schicht der rückseitigen Umverteilungsstruktur verlaufen, um eine Metallisierungsstruktur der rückseitigen Umverteilungsstruktur zu kontaktieren.In some embodiments, the method further includes: attaching the rear redistribution structure to a package substrate with conductive interconnects, the conductive interconnects passing through a dielectric layer of the rear redistribution structure to contact a metallization structure of the rear redistribution structure.
Vorstehend sind Merkmale verschiedener Ausführungsformen beschrieben worden, sodass Fachleute die Aspekte der vorliegenden Erfindung besser verstehen können. Fachleuten dürfte klar sein, dass sie die vorliegende Erfindung ohne Breiteres als eine Grundlage zum Gestalten oder Modifizieren anderer Verfahren und Strukturen zum Erreichen der gleichen Ziele und/oder zum Erzielen der gleichen Vorzüge wie bei den hier vorgestellten Ausführungsformen verwenden können. Fachleute dürften ebenfalls erkennen, dass solche äquivalenten Auslegungen nicht von dem Grundgedanken und Schutzumfang der vorliegenden Erfindung abweichen und dass sie hier verschiedene Änderungen, Ersetzungen und Abwandlungen vornehmen können, ohne von dem Grundgedanken und Schutzumfang der vorliegenden Erfindung abzuweichen.Features of various embodiments have been described above so that those skilled in the art can better understand the aspects of the present invention. It will be apparent to those skilled in the art that they can readily use the present invention as a basis for designing or modifying other methods and structures to achieve the same goals and / or to achieve the same benefits as the embodiments presented herein. Those skilled in the art should also appreciate that such equivalent interpretations do not depart from the spirit and scope of the present invention and that they can make various changes, substitutions and modifications here without departing from the spirit and scope of the present invention.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of documents listed by the applicant has been generated automatically and is only included for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturPatent literature cited
- US 62/737282 [0001]US 62/737282 [0001]
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CN113571435A (en) * | 2021-07-02 | 2021-10-29 | 矽磐微电子(重庆)有限公司 | Method for forming chip packaging structure |
DE102020112941A1 (en) | 2020-05-04 | 2021-11-04 | Taiwan Semiconductor Manufacturing Company, Ltd. | SENSOR PACKAGE AND PROCEDURE |
DE102021101329A1 (en) | 2020-10-19 | 2022-04-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | SEMICONDUCTOR DEVICES AND METHOD OF MANUFACTURE |
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KR102063817B1 (en) * | 2013-03-04 | 2020-01-08 | 삼성전자주식회사 | Method of Controlling Surface Temperature Of Semiconductor Device including Semiconductor Package |
TWI538174B (en) * | 2013-09-25 | 2016-06-11 | 晶相光電股份有限公司 | Method for forming semiconductor device |
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US11942417B2 (en) | 2020-05-04 | 2024-03-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Sensor package and method |
DE102021101329A1 (en) | 2020-10-19 | 2022-04-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | SEMICONDUCTOR DEVICES AND METHOD OF MANUFACTURE |
US11830821B2 (en) | 2020-10-19 | 2023-11-28 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor devices and methods of manufacture |
CN113571435A (en) * | 2021-07-02 | 2021-10-29 | 矽磐微电子(重庆)有限公司 | Method for forming chip packaging structure |
CN113571435B (en) * | 2021-07-02 | 2024-02-27 | 矽磐微电子(重庆)有限公司 | Method for forming chip packaging structure |
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